sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Update DxeCore and FwVolDxe drivers to inherit authentication status for the FV image, if the image came from an FV image file and section in another firmware volume.

Browse Source 
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Chao Zhang <chao.b.zhang@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13368 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
lzeng14
2012-05-29 05:22:01 +00:00
parent b504f51998
commit 0c3a1db40f
10 changed files with 195 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
MdeModulePkg/Core/Dxe/FwVolBlock/FwVolBlock.c
View File

@ -4,7 +4,7 @@
It consumes FV HOBs and creates read-only Firmare Volume Block protocol
instances for each of them.
Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -81,6 +81,7 @@ EFI_FW_VOL_BLOCK_DEVICE mFwVolBlock = {
0,
NULL,
0,
0,
0
};
@ -402,7 +403,31 @@ FwVolBlockGetBlockSize (
return EFI_SUCCESS;
}
/**
Get FVB authentication status
@param FvbProtocol FVB protocol.
@return Authentication status.
**/
UINT32
GetFvbAuthenticationStatus (
IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *FvbProtocol
)
{
EFI_FW_VOL_BLOCK_DEVICE *FvbDevice;
UINT32 AuthenticationStatus;
AuthenticationStatus = 0;
FvbDevice = BASE_CR (FvbProtocol, EFI_FW_VOL_BLOCK_DEVICE, FwVolBlockInstance);
if (FvbDevice->Signature == FVB_DEVICE_SIGNATURE) {
AuthenticationStatus = FvbDevice->AuthenticationStatus;
}
return AuthenticationStatus;
}
/**
This routine produces a firmware volume block protocol on a given
@ -411,8 +436,10 @@ FwVolBlockGetBlockSize (
@param BaseAddress base address of the firmware volume image
@param Length length of the firmware volume image
@param ParentHandle handle of parent firmware volume, if this image
came from an FV image file in another firmware
came from an FV image file and section in another firmware
volume (ala capsules)
@param AuthenticationStatus Authentication status inherited, if this image
came from an FV image file and section in another firmware volume.
@param FvProtocol Firmware volume block protocol produced.
@retval EFI_VOLUME_CORRUPTED Volume corrupted.
@ -426,6 +453,7 @@ ProduceFVBProtocolOnBuffer (
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length,
IN EFI_HANDLE ParentHandle,
IN UINT32 AuthenticationStatus,
OUT EFI_HANDLE *FvProtocol OPTIONAL
)
{
@ -473,6 +501,9 @@ ProduceFVBProtocolOnBuffer (
FvbDev->BaseAddress = BaseAddress;
FvbDev->FvbAttributes = FwVolHeader->Attributes;
FvbDev->FwVolBlockInstance.ParentHandle = ParentHandle;
if (ParentHandle != NULL) {
FvbDev->AuthenticationStatus = AuthenticationStatus;
}
//
// Init the block caching fields of the device
@ -587,7 +618,7 @@ FwVolBlockDriverInit (
//
// Produce an FVB protocol for it
//
ProduceFVBProtocolOnBuffer (FvHob.FirmwareVolume->BaseAddress, FvHob.FirmwareVolume->Length, NULL, NULL);
ProduceFVBProtocolOnBuffer (FvHob.FirmwareVolume->BaseAddress, FvHob.FirmwareVolume->Length, NULL, 0, NULL);
FvHob.Raw = GET_NEXT_HOB (FvHob);
}
@ -629,6 +660,7 @@ CoreProcessFirmwareVolume (
(EFI_PHYSICAL_ADDRESS) (UINTN) FvHeader,
(UINT64)Size,
NULL,
0,
FVProtocolHandle
);
//